OngoingAI

Usage & market intelligence

Store usage data is not available for this app.

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Pricing
Free plan available
FREE
Free
  • • Unlimited invoice generation
  • • 100 invoice downloads
  • • 50 automated emails
  • • 30 bulk downloads
  • • Customizable templates with Liquid and HTML
BASIC
$8.99/month
  • • FREE+
  • • 1,000 invoice downloads
  • • 500 automated emails
  • • 300 bulk downloads per month
  • • Custom SMTP email service
PREMIUM
$14.99/month
  • • BASIC+
  • • Unlimited invoice downloads
  • • Unlimited automated emails
  • • Unlimited bulk downloads
  • • Advanced template customization
What does ZOOL do?

Invoice Master simplifies invoicing with an easy-to-use tool for managing invoices, packing slips, refunds, and drafts.

  • Highly flexible PDF templates with Liquid for unlimited customization options
  • Automated email system with custom templates for various document types
  • User-friendly dashboard for managing documents and tracking email statuses
  • Bulk document generation and download for efficient order processing
  • Reliable email delivery with option to use your own SMTP server

Features

Invoices and receiptsInvoicesReceiptsGift receiptsCredit notesQuotesDraft ordersOrder confirmationsDelivery notesCustoms documentsPacking slipsShipping labelsRefundsReturnsColor and fontBrandingInvoice numbersSender emailTemplatesBulk downloadFile namingEmail automationPDF generationPrint and export
Review history
Daily review count on the Shopify App Store
0±0 · 29d· Rating steady at 0.0★

Daily tracking from Aug 10, 2026 through today · 29 days observed · sign up free for the full history →

Category rankings
Live organic position on Shopify App Store category pages
  • Invoices and receipts
    #397▼10

Tracked daily · last 14 days · as of 2026-10-02

Catalog position
Within Invoices and receipts on the App Store
Rank by reviews
#235 of 445
Review percentile
47th
Rating percentile
54th
On the App Store
2.1 yrs
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Frequently asked questions

Invoice Master simplifies invoicing with an easy-to-use tool for managing invoices, packing slips, refunds, and drafts. It's a invoices and receipts tool for ecommerce stores.